Communication control device, wireless communication device, method and program

ABSTRACT

[Solution] The communication control device includes: an information acquisition unit configured to acquire information indicating a network to which one or more wireless communication devices belong, radio access technology information, information relating to an operable frequency band, information relating to a geographical location and/or region, information relating to a duplex mode, or information relating to a transmission time interval; a determination unit configured to determine positional relationship among coverages of the wireless communication devices by using the information, and select an operation parameter recommended for each of the wireless communication devices in accordance with the determined positional relationship; and a notification unit configured to notify the wireless communication devices of the selected operation parameters.

TECHNICAL FIELD

The present disclosure relates to a communication control device, awireless communication device, a method and a program.

BACKGROUND ART

As a countermeasure to alleviate shortage of future frequency resources,secondary usage of frequencies has been discussed. Secondary usage offrequencies means that part of or all of frequency channels allocated toa certain system with a higher priority is secondarily used by anothersystem. Generally, a system to which a frequency channel is allocatedwith a higher priority is called “primary system”, and a system thatsecondarily uses the frequency channel is called “secondary system”.

TV whitespaces are an example of frequency channels that are expected tobe secondarily used. TV whitespaces mean frequency channels that areallocated to a TV broadcast system serving as a primary system but arenot locally used by the TV broadcast system. By allowing a secondarysystem to use those TV whitespaces, efficient utilization of frequencyresources can be achieved. There are a plurality of standards forwireless access schemes in a physical layer (PHY) and MAC layer forenabling secondary usage of the TV whitespaces, such as IEEE802.22,IEEE802.11af, and European Computer Manufacturer Association (ECMA)-392(CogNea).

In the U.S., activities for introducing a new frequency utilization formcalled citizens broadband radio service (CBRS) based on secondary usageof frequencies into 3550 to 3700 MHz bands on the basis of federalcommunications commission (FCC) rules, part 96 which is newly adoptedare accelerated. It is assumed at the present moment that long termevolution (LTE) and MulteFire for which development has been promoted inrecent years on the basis of LTE become the mainstream as a wirelessaccess system operated in CBRS.

Concerning such secondary usage of frequencies, the following PatentLiterature 1 discloses a management serve including a holding unitconfigured to hold a location/frequency list in which locationinformation is associated with frequency information, a list creatingunit configured to extract frequency information corresponding tolocation information from the location/frequency list on the basis ofthe location information to create an available frequency list, atransmitting unit configured to transmit the available frequency list toa base station which mainly uses the available frequency list, and alist comparing unit configured to compare the available frequency listtransmitted to the base station and an available frequency list returnedfrom the base station, and the list creating unit re-creating theavailable frequency list on the basis of information indicating afrequency being utilized by the base station among the availablefrequency list.

CITATION LIST Patent Literature

Patent Literature 1: JP 5679033B

DISCLOSURE OF INVENTION Technical Problem

However, the technology for secondary usage of frequencies proposed inthe above-described Patent Literature 1, or the like, does not assumethat cellular systems operated by a plurality of different carriers aremixed. In CBRS in the U.S., operation of LTE using time division duplex(TDD) is assumed as one of embodiments, in which case it is necessary toachieve synchronization between different base stations for coexistence.In a case of LTE, within the same carrier, it is possible to utilize aninterface between base stations, which is called an X2 interface.However, it is difficult to achieve synchronization between differentcarriers. Therefore, as well as co-channel interference, adjacentchannel interference becomes problematic. In the future, because it canbe easily predicted that 5th generation (5G) in which a wireless frame,or the like, is different from that in LTE or different RATs such as aradio access technology (RAT) after 5G, are operated in secondary usageof frequencies, it can be considered that it becomes more difficult toachieve synchronization between base stations.

Therefore, the present disclosure proposes a new and improvedcommunication control device, wireless communication device, device,method and program which are capable of realizing coexistence among aplurality of different RATS, and among different carrier networks.

Solution to Problem

According to the present disclosure, there is provided a communicationcontrol device including: an information acquisition unit configured toacquire information indicating a network to which one or more wirelesscommunication devices belong, radio access technology information,information relating to an operable frequency band, information relatingto a geographical location and/or region, information relating to aduplex mode, or information relating to a transmission time interval; adetermination unit configured to determine positional relationship amongcoverages of the wireless communication devices by using theinformation, and select an operation parameter recommended for each ofthe wireless communication devices in accordance with the determinedpositional relationship; and a notification unit configured to notifythe wireless communication devices of the selected operation parameters.

In addition, according to the present disclosure, there is provided acommunication control device including: an information acquisition unitconfigured to acquire information indicating a network to which one ormore wireless communication devices belong, radio access technologyinformation, information relating to an operable frequency band,information relating to a geographical location and/or region,information relating to a duplex mode, or information relating to atransmission time interval; a determination unit configured to extract awireless communication device corresponding to the information; and anotification unit configured to make a notification of the informationrelating to the wireless communication device extracted by thedetermination unit.

In addition, according to the present disclosure, there is provided awireless communication device including: a communication unit configuredto notify a communication control device of information indicating abelonging network, radio access technology information which is beingoperated, information relating to an operable frequency band,information relating to a duplex mode, and information relating to atransmission time interval, and acquire a recommended operationparameter selected by the communication control device on the basis ofthe information; and a control unit configured to set an operationparameter on the basis of the recommended operation parameter acquiredby the communication unit.

In addition, according to the present disclosure, there is provided amethod including: acquiring information indicating a network to whichone or more wireless communication devices belong, radio accesstechnology information, information relating to an operable frequencyband, information relating to a geographical location and/or region,information relating to a duplex mode, or information relating to atransmission time interval; determining positional relationship amongcoverages of the wireless communication devices by using theinformation, and selecting an operation parameter recommended for eachof the wireless communication devices in accordance with the determinedpositional relationship; and notifying the wireless communicationdevices of the selected operation parameters.

In addition, according to the present disclosure, there is provided amethod including: acquiring information indicating a network to whichone or more wireless communication devices belong, radio accesstechnology information, information relating to an operable frequencyband, information relating to a geographical location and/or region,information relating to a duplex mode, or information relating to atransmission time interval; extracting a wireless communication devicecorresponding to the information; and making a notification of theinformation relating to the extracted wireless communication device.

In addition, according to the present disclosure, there is provided amethod including: notifying a communication control device ofinformation indicating a belonging network, radio access technologyinformation which is being operated, information relating to an operablefrequency band, information relating to a duplex mode, and informationrelating to a transmission time interval and acquiring a recommendedoperation parameter selected by the communication control device on thebasis of the information; and setting an operation parameter on thebasis of the recommended operation parameter.

In addition, according to the present disclosure, there is provided aprogram for causing a computer to function as: an informationacquisition unit configured to acquire information indicating a networkto which one or more wireless communication devices belong, radio accesstechnology information, information relating to an operable frequencyband, information relating to a geographical location and/or region,information relating to a duplex mode, or information relating to atransmission time interval; a determination unit configured to determinepositional relationship among coverages of the wireless communicationdevices by using the information and select an operation parameterrecommended for each of the wireless communication devices in accordancewith the determined positional relationship; and a notification unitconfigured to notify the wireless communication devices of the selectedoperation parameters.

In addition, according to the present disclosure, there is provided aprogram for causing a computer to function as: an informationacquisition unit configured to acquire information indicating a networkto which one or more wireless communication devices belong, radio accesstechnology information, information relating to an operable frequencyband, information relating to a geographical location and/or region,information relating to a duplex mode, or information relating to atransmission time interval; a determination unit configured to extract awireless communication device corresponding to the information; and anotification unit configured to make a notification of the informationrelating to the wireless communication device extracted by thedetermination unit.

In addition, according to the present disclosure, there is provided aprogram for causing a computer to function as: a communication unitconfigured to notify a communication control device of informationindicating a belonging network, radio access technology informationwhich is being operated, information relating to an operable frequencyband, information relating to a duplex mode, and information relating toa transmission time interval, and acquiring a recommended operationparameter selected by the communication control device on the basis ofthe information; and a control unit configured to set an operationparameter on the basis of the recommended operation parameter acquiredby the communication unit.

Advantageous Effects of Invention

As described above, according to the present disclosure, it is possibleto realize coexistence among a plurality of different RATs and amongdifferent carrier networks. Note that the effects described above arenot necessarily limitative. With or in the place of the above effects,there may be achieved any one of the effects described in thisspecification or other effects that may be grasped from thisspecification.

BRIEF DESCRIPTION OF DRAWINGS

FIG. 1 is an explanatory diagram for explaining outline of acommunication system according to an embodiment of the presentdisclosure.

FIG. 2 is a diagram for explaining an architecture according to thepresent embodiment.

FIG. 3 is a block diagram illustrating an example of a configuration ofa communication control device according to the present embodiment.

FIG. 4 is a diagram illustrating an example of arrangement of wirelesscommunication devices according to the present embodiment.

FIG. 5 is a diagram illustrating an example of arrangement of wirelesscommunication devices according to the present embodiment.

FIG. 6 is a diagram illustrating an example of arrangement of wirelesscommunication devices according to the present embodiment.

FIG. 7 is a diagram illustrating an example of arrangement of wirelesscommunication devices according to the present embodiment.

FIG. 8 is a diagram illustrating an example of arrangement of wirelesscommunication devices according to the present embodiment.

FIG. 9 is a block diagram illustrating an example of a configuration ofa wireless communication device according to the present embodiment.

FIG. 10 is a diagram for explaining an example of procedure performedbetween the communication control device and the wireless communicationdevice according to the present embodiment.

FIG. 11 is a diagram for explaining an example of procedure performedbetween the communication control device and the wireless communicationdevice according to the present embodiment.

FIG. 12 is an explanatory diagram for explaining outline of acommunication system according to an embodiment of the presentdisclosure.

FIG. 13 is a diagram for explaining an example of procedure performedamong a plurality of communication control devices according to thepresent embodiment.

FIG. 14 is a diagram for explaining an example of procedure performedamong a plurality of communication control devices according to thepresent embodiment.

MODE(S) FOR CARRYING OUT THE INVENTION

Hereinafter, a preferred embodiment of the present disclosure will bedescribed in detail with reference to the appended drawings. Note that,in this specification and the appended drawings, structural elementsthat have substantially the same function and structure are denoted withthe same reference numerals, and repeated explanation of thesestructural elements is omitted.

In addition, in the present specification and drawings, elements thathave substantially the same function and structure are distinguished insome cases by adding different alphabets after the same referencenumerals. For example, a plurality of elements that have substantiallythe same function and structure are distinguished like communicationcontrol devices 10A and 10B according to necessity. However, in a casewhere it is not particularly necessary to distinguish among a pluralityof elements that have substantially the same function and structure, thesame reference numerals are merely given. For example, in the case whereit is not particularly necessary to distinguish among the communicationcontrol devices 10 A and 10B, they are simply referred to as acommunication control device 10.

Note that description will be provided in the following order.

1. Outline

1.1. Overall system configuration1.2. Technical problems

2. First Embodiment 2.1. Architecture

2.2. Configuration example of communication control device2.3. Technical features of communication control device2.4. Configuration example of wireless communication device2.5. Technical features of wireless communication device

2.5. Procedure 3. Second Embodiment 3.1. Architecture

3.2. Configuration example of communication control device3.3. Technical features of communication control device

3.4. Procedure 4. Conclusion 1. Outline 1.1. Overall SystemConfiguration

FIG. 1 is an explanatory diagram for explaining outline of acommunication system according to an embodiment of the presentdisclosure.

Referring to FIG. 1, a plurality of wireless communication devices 30Aoperated by a first telecommunications carrier A, and a plurality ofwireless communication devices 30B operated by a secondtelecommunications carrier B are illustrated. In addition, the wirelesscommunication device 3C is a wireless communication device that is notmanaged by a telecommunications carrier. As illustrated in FIG. 1, thewireless communication device 30 is typically a base station, or atransmitting station such as an access point. The wireless communicationdevice 30A which is a transmitting station provides service of thetelecommunications carrier A to a receiving station located inside aservice area. The wireless communication device 30B which is atransmitting station also provides service of the telecommunicationscarrier B to a receiving station located inside a service area in asimilar manner.

The wireless communication devices 30A and 30B are respectivelyconnected to network management devices 20A and 20B. The networkmanagement device 20 is a device introduced by a telecommunicationscarrier to manage and control the plurality of wireless communicationdevices 30.

Note that, in LTE, for example, the network management device 20 may bea device called an element management system (EMS) or a domain manager(DM). Alternatively, the network management device 20 may be entitycalled domain proxy (DP) included in an architecture standardized in awireless innovation forum (WInnF). Alternatively, a management devicewhich integrally provides the EMS, the DM and the DP or an aggregate ofthese may be handled as the network management device.

The network management devices 20A and 20B are connected to acommunication control device 10. In addition, the independent wirelesscommunication device 30C is also connected to the communication controldevice 10. The communication control device 10 provides permission ofsecondary usage of frequency channels allocated to a primary system tothe wireless communication device 30 within a range not providing fatalinterference to the primary system. Specifically, the communicationcontrol device 10 has a function of notifying each of the wirelesscommunication devices of a list of available frequencies and/ortransmission power, or a function of determining whether or not afrequency and/or transmission power which the wireless communicationdevice 30 desires to use can be used and notifying each of the wirelesscommunication devices of the determination result, and typically,protects the primary system. The network management device 20 mediatescommunication between the plurality of subordinate wirelesscommunication devices 30 and the communication control device 10 and/orassists re-configuration of wireless parameters of the wirelesscommunication devices 30 on the basis of information obtained from thecommunication control device 10.

Note that examples of the primary system encompass TV broadcast systems,program making and special events (PMSE), radars (military radar,ship-based radar, weather radar, or the like), fixed satellite services(FSS), mobile satellite services (MSS), earth exploration satelliteservices (EESS), and the like.

Further, the communication control device 10 performs control andjudgment so that each of the plurality of wireless communication devices30 can operate without providing fatal interference to other wirelesscommunication devices 30. Typically, the communication control device 10performs coexistence management.

Here, there is a case where service areas of a plurality oftelecommunications carriers geographically overlap with each other, andfrequency bands used overlap with each other. As a specific example, forexample, there can be a case where an area where long term evolution(LTE) service is provided and an area where Wi-Fi service is providedoverlap with each other, the LTE service and the Wi-Fi service beingoperated by different telecommunications carriers. Alternatively, forexample, there can be a case where an area where long term evolution(LTE) service is provided and an area where 5G and/or further advancedservice is provided overlap with each other, although the LTE serviceand the 5G and/or further advanced service being operated by the sametelecommunications carrier. Alternatively, for example, there can be acase where an area where wireless communication service (such as LTE and5G) operated by a telecommunications carrier is provided and an areawhere a wireless communication device which is personally operated isoperated overlap with each other,

In the present embodiment, it is assumed that part or all of frequencybands allocated to the primary system are secondary used by one or morewireless communication devices in cooperation with each other under suchcircumstances. To realize this, it is desirable that, appropriateinformation for coexistence is exchanged between differenttelecommunications carriers and between different wireless communicationdevices. Alternatively, it is desirable that control is judged by thecommunication control device using appropriate information.

1.2. Technical Problems

There are the following concerns in coexistence among differenttelecommunications carriers and among different wireless communicationdevices.

(1) Synchronization Between Wireless Communication Devices Belonging toDifferent Carriers

It is assumed that the wireless communication devices are operated inTDD. In a case of LTE, wireless frame configurations having differentcombination of uplink and downlink are specified, and to reduceinterference, it is necessary to set the same combination betweenwireless communication devices. Further, it is also necessary to achievetemporal synchronization. Within the same carrier, by utilizing an X2interface specified as an interface between wireless communicationdevices (base stations), synchronization can be easily achieved betweenthe wireless communication devices.

(2) Synchronization Between Wireless Communication Devices HavingDifferent RATs

The RAT operated in secondary usage of frequencies is not necessarilylimited to LTE. 5G or RATs in further advanced generation may beoperated. In such a case, because wireless frame configurations aredifferent among RATs, even within the same carrier, it is difficult toachieve synchronization between the wireless communication deviceshaving different RATs. If the wireless communication devices belong todifferent carriers, it becomes further difficult to securesynchronization.

Therefore, in view of the above-described circumstances, the inventionaccording to the embodiments of the present disclosure has beenachieved. In secondary usage of frequencies so far, there has not beenprovided coexistence control which is focused on a duplex mode of thewireless communication device. Due to lack of information relating to aduplex mode, for example, co-channel interference or adjacent channelinterference can occur. Therefore, in the present embodiment, in a casewhere the communication control device manages secondary usage offrequencies and controls coexistence, information relating to a duplexmode is exchanged, and coexistence control is judged on the basis of theinformation. By this means, it is possible to realize coexistence amongdifferent telecommunications carriers and among different wirelesscommunication devices.

2. First Embodiment <2.1. Architecture>

FIG. 2 is a diagram for explaining an architecture according to thepresent embodiment.

<2.2. Configuration Example of Communication Control Device>

A configuration example of the communication control device will bedescribed below with reference to FIG. 3.

FIG. 3 is a block diagram illustrating an example of a configuration ofthe communication control device 10 according to the present embodiment.As illustrated in FIG. 3, the communication control device 10 includes afirst communication unit 110, a second communication unit 120 and aprocessing unit 130. Further, the processing unit 130 includes aninformation acquisition unit 131, a determination unit 132 and anotification unit 133.

The first communication unit 110 is a communication interface whichmediates communication between the communication control device 10 andthe network management device 20 and/or the wireless communicationdevice 30. The first communication unit 110 supports arbitrary wirelesscommunication protocol or wired communication protocol and establishescommunication connection with one or more network management devices 20and/or the wireless communication devices 30.

The processing unit 130 provides various functions of the communicationcontrol device 10. The processing unit 130 includes the informationacquisition unit 131, the determination unit 132 and the notificationunit 133. Note that the processing unit 130 can further includestructural elements other than these structural elements. That is, theprocessing unit 130 can perform operation other than operation of thesestructural elements. Functions of the processing unit 130 will bedescribed in detail later.

<2.3. Technical Features of Communication Control Device> (1)Information Acquisition Function

The information acquisition unit 131 acquires information necessary forjudgement of coexistence control among one or more wirelesscommunication devices 30. The information acquisition unit 131 acquiresat least information indicating a network to which a wirelesscommunication device belongs, radio access technology information,information relating to an operable frequency band, information relatingto a location, information relating to a duplex mode or informationrelating to transmission time.

Note that part or all of the information may be directly acquired fromthe wireless communication device 30. Alternatively, in the case wherepart or all of the information is managed at an information managementdevice which belongs to an external network or an intra-network, thepart or all of the information may be acquired from the informationmanagement device.

The information indicating a network to which the wireless communicationdevice belongs is typically an identifier indicating atelecommunications carrier. A mobile network code (MNC), a public landmobile network (PLMN) ID, or the like, can be assumed. In the case wherethe telecommunications carrier further groups the wireless communicationdevices, an identifier indicating a group to which the wirelesscommunication device belongs may be included. Further, in the case whereone or more network management devices 20 are provided by onetelecommunications carrier, an identifier for identifying the networkmanagement device may be included. In the case where the wirelesscommunication device is a RAT which provides an autonomous distributednetwork such as Wi-Fi, the information may be an identifier indicating alocal network such as an SSID.

The radio access technology information is typically an identifierindicating a RAT provided at the wireless communication device. Theradio access technology information may include an identifier of the RATwhich can be changed by the wireless communication device as well as anidentifier of a RAT which is being operated. Further, an operationparameter which is unique to a RAT, which can contribute to judgement ofcoexistence control, such as Transmission Mode defined in LTE may beincluded.

The information relating to the operable frequency band is typically afrequency band at which the wireless communication device can operatewith a hardware configuration thereof. For example, a beginningfrequency and an end frequency may be provided. Alternatively, forexample, the number of a band specified in the 3rd generationpartnership project (3GPP) may be provided. Alternatively, for example,in the case where a channel number is allocated as in a TV frequencyband, the channel number may be provided. Alternatively, for example,the operable frequency band may be provided using combination of acenter frequency and a bandwidth. Whichever information is provided, inthe case where the wireless communication device can operate in aplurality of frequency bands, a plurality of pieces of the informationrelating to the operable frequency bands may be provided.

The information relating to the location is typically information whichcan specify a geographically location and/or region of the wirelesscommunication device. For example, the information may be coordinateinformation acquired by the wireless communication device including apositioning function typified by a global navigation satellite system(GNSS). Typically, information relating to longitude, latitude, altitudeand a positioning error can be included. Alternatively, for example, theinformation may be location information registered in an informationmanagement device managed by national regulatory authority (NRA) orentrusted institution thereof. Further, for example, as the informationindicating the geographical region, information such as census tract,area name, prefecture name, state name, town name, block number, andaddress can be included as information which is administrativelydefined. Alternatively, for example, the geographical region may beexpressed with combination of three or more pieces of coordinateinformation. Alternatively, for example, the geographical region may beexpressed with combination of coordinate information and radiusinformation.

The information relating to the duplex mode includes at least anidentifier indicating a duplex mode which is being operated at thewireless communication device. The information can include an identifierindicating frequency division duplex (FDD), time division duplex (TDD),supplemental downlink (SDL), full duplex, or the like. In the case wherethe identifier indicates TDD, further, the information includes anidentifier indicating a configuration which is being operated among TDDframe configurations indicated in the following Table 1.

TABLE 1 Config- Switch-point Subframe number uration periodicity 0 1 2 34 5 6 7 8 9 0 5 ms D S U U U D S U U U 1 5 ms D S U U D D S U U D 2 5 msD S U D D D S U D D 3 10 ms D S U U U D D D D D 4 10 ms D S U U D D D DD D 5 10 ms D S U D D D D D D D 6 5 ms D S U U U D S U U D

The above-described Table 1 indicates configurations in 3GPP TS 36.300.

The information relating to the transmission time is typically atransmission time interval (TTI). Further, if the TTI is variable, theinformation may include a TTI value which can be changed by the wirelesscommunication device.

(2) Determination Function

The determination unit 132 typically has a function of judgementrelating to coexistence control. Specifically, the determination unit132 compares service areas or coverages provided by the respectivewireless communication devices using the information of one or morewireless communication devices acquired at the information acquisitionunit and determines positional relationship among the wirelesscommunication devices. Here, determination described below is performed.

(Case 1)

FIG. 4 illustrates a situation where a plurality of wirelesscommunication devices 30 belonging to the same carrier operate the sameRAT, and coverages partly overlap with each other. In such a situation,it is possible to utilize a coexistence mechanism such aslisten-before-talk (LBT), which is provided at the wirelesscommunication device 30 and which is unique to the RAT. Further, becausethe wireless communication devices 30 belong to the same carrier, it isalso possible to utilize unique coexistence algorithm by the networkmanagement device 20 and an interface (e.g., an LTE X2 interface)between the wireless communication devices 30. It is also possible toeasily achieve synchronization between the wireless communicationdevices 30 upon TDD.

Therefore, in such a case, the same frequency band may be allocated ordifferent frequency bands may be allocated to the wireless communicationdevices 30.

(Case 2)

FIG. 5 illustrates a situation where a plurality of wirelesscommunication devices 30 belonging to the same carrier operatesdifferent RATs, and coverages partly overlap with each other. In such acase, it can be considered that a sensing type coexistence mechanismsuch as LBT is not very effective due to a difference in wireless frameconfigurations, reference signals, or the like. Further, even iftemporal synchronization can be achieved between the wirelesscommunication devices 30, it is considered difficult to controlinterference even within the same carrier due to a difference inwireless frame configurations. Still further, in a case of TDD, it isdesirable to provide a guard band because even adjacent channelinterference can become a serious problem.

Therefore, in such a case, an available frequency band which is notifiedfrom the communication control device 10 to each wireless communicationdevice 30 includes at least different frequency bands.

(Case 3)

FIG. 6 illustrates a situation where the wireless communication devices30 belonging to different carriers operate the same RAT, and coveragespartly overlap with each other. In such a case, there is a possibilitythat a coexistence mechanism such as LBT which is provided at thewireless communication device 30 and which is unique to the RAT comesinto effect. However, because the wireless communication devices 30belong to different carriers, it is difficult to realize coexistenceamong carriers by utilizing unique coexistence algorithm by the networkmanagement device 20 or an interface (e.g. an LTE X2 interface) betweenthe wireless communication devices 30. Further, in a case of TDD, it isdesirable to provide a guard band because adjacent channel interferencecan become a serious problem. Therefore, in such a case, an availablefrequency band which is notified from the communication control device10 to each wireless communication device includes at least differentfrequency bands. Further, TDD frame configuration information of anadjacent coverage is provided to each wireless communication device.Alternatively, the communication control device 10 selects a TDD frameconfiguration recommended for each wireless communication device andprovides the recommended TDD frame configuration to each wirelesscommunication device.

(Case 4)

FIG. 7 illustrates a situation where the wireless communication devices30 belonging to different carriers operate different RATs, and coveragespartly overlap with each other. In such a case, it can be consideredthat a sensing type coexistence mechanism such as LBT is not veryeffective due to a difference in wireless frame configurations,reference signals, or the like. Further, because the wirelesscommunication devices 30 belong to different carriers, it is difficultto realize coexistence among carriers by utilizing unique coexistencealgorithm by the network management device 20 or an interface (e.g. anLTE X2 interface) between wireless communication devices. Still further,in a case of TDD, it is desirable to provide a guard band because evenadjacent channel interference can become a serious problem.

Therefore, in such a case, an available frequency band which is notifiedfrom a frequency management database to each wireless communicationdevice is made to include at least different frequency bands. Further, aTDD frame configuration recommended for each wireless communicationdevice is selected and provided to each wireless communication device.

(Case 5)

FIG. 8 illustrates a situation where coverages do not overlap with eachother among a plurality of wireless communication devices 30 regardlessof carriers and RATs. In such a case, there is an extremely lowpossibility that fatal interference occurs among the wirelesscommunication devices regardless of types of carriers and RATs.Therefore, in such a case, the communication control device can notifyeach wireless communication device of any available frequency band.Preferably, in terms of frequency utilization efficiency, it isdesirable that the wireless communication devices are notified of thesame frequency band as the available frequency band.

(3) Notification Function

The notification unit 133 typically has a function of generating amessage based on the determination result of the determination unit andtransmitting the message to the communication unit. Specifically, therecommended operation parameters of the wireless communication device 30can include one or more pieces of information among recommended radioaccess technology information, information relating to a recommendedfrequency band, information relating to a recommended duplex mode orinformation relating to a recommended transmission time interval.

The recommended radio access technology information is typically anidentifier indicating a RAT which is recommended to be operated and/oran operation parameter which is unique to the RAT. The operationparameter which is unique to the RAT is, for example, Transmission Modespecified in LTE.

As the information relating to the recommended frequency band, forexample, a beginning frequency band and an end frequency band at whichoperation is recommended are provided. Alternatively, for example, thenumber of a band specified in the 3rd generation partnership project(3GPP) may be provided. Alternatively, for example, in the case where achannel number is allocated as in a TV frequency band, the channelnumber may be provided. Alternatively, for example, the recommendedfrequency band may be provided using combination of a center frequencyand a bandwidth. Whichever information is provided, in the case whereoperation is recommended in a plurality of frequency bands, a pluralityof pieces of information relating to the recommended frequency bands maybe provided.

The information relating to the recommended duplex mode includes atleast an identifier indicating a duplex mode in which operation isrecommended. The information can include an identifier indicatingfrequency division duplex (FDD), time division duplex (TDD),supplemental downlink (SDL), full duplex, or the like. In the case wherethe identifier indicates TDD, further, the information includes anidentifier indicating a configuration which is being operated among theTDD frame configurations indicated in the above-described Table 1.

The recommended transmission time interval is typically a transmissiontime interval (TTI).

<2.4. Configuration Example of Wireless Communication Device>

A configuration example of the wireless communication device will bedescribed below with reference to FIG. 9.

FIG. 9 is a block diagram illustrating an example of a configuration ofthe wireless communication device 30 according to the presentembodiment. As illustrated in FIG. 3, the wireless communication device30 includes a communication unit 310 and a control unit 320.

The communication unit 310 is a communication interface which mediatescommunication between the communication control device 10 and thenetwork management device 20 and/or the wireless communication device30. The communication unit 310 supports arbitrary wireless communicationprotocol or wired communication protocol and establishes communicationconnection with the communication control device and/or the networkmanagement device 20 and/or the wireless communication device 30. Thecommunication unit 310 can hold a plurality of different communicationsessions. In other words, for example, the communication unit 310 canperform communication with the network management device 20 throughwired line and communication with other wireless communication devices30 through wireless line at the same time.

The control unit 320 has a function of controlling communicationparameters at the communication unit 310 and generating a message and apacket.

<2.5. Technical Features of Wireless Communication Device> (1)Communication Function

The communication unit 310 has a function of transmitting a messageincluding information necessary for communication control at thecommunication control device 10 to the communication control device 10.The information necessary for communication control includes at leastinformation indicating a network to which the wireless communicationdevice belongs, radio access technology information which is beingoperated, information relating to an operable frequency band,information relating to a duplex mode and information relating to atransmission time interval. Further, in the case where locationinformation is not managed by the NRA or entrusted institution thereof,and it is necessary to acquire the location information using apositioning function provided at the wireless communication device 30and notify the communication control device 10 of the locationinformation, the message includes the location information. As theinformation, information equivalent to that described above in“technical features of communication control device” is used.

Further, the communication unit 310 has a function of acquiring therecommended operation parameters selected on the basis of theinformation at the communication control device 10. The recommendedoperation parameters can include at least one or more pieces ofinformation among recommended radio access technology information,information relating to a recommended frequency band, informationrelating to a recommended duplex mode or information relating to arecommended transmission time interval. As the information, informationequivalent to that described above in “technical features ofcommunication control device” is used.

(2) Control Function

The control unit 320 has a function of generating a message includinginformation necessary for communication control, which is to betransmitted to the communication control device 10.

Further, the control unit 320 has a function of changing operationparameters of wireless communication performed at the communication unit310 on the basis of the recommended operation parameters acquired at thecommunication unit 310.

<2.6. Procedure>

An example of procedure performed in association with introduction ofthe communication control device 10 and the wireless communicationdevice 30 will be described below with reference to FIG. 10 and FIG. 11.

The procedure illustrated in FIG. 10 is procedure for making a requestfor communication control. Communication control request (S110),communication control judgement (S120) and communication controlresponse (S130) are performed.

The communication control request (S110) includes at least informationindicating a network to which the wireless communication device belongs,radio access technology information which is being operated, informationrelating to an operable frequency band, information relating to a duplexmode, and information relating to a transmission time interval. Further,in the case where location information is not managed by the NRA orentrusted institution thereof, and it is necessary to acquire thelocation information using a positioning function provided at thewireless communication device 30 and notify the communication controldevice 10 of the location information, the message includes the locationinformation.

In the communication control judgment (S120), service areas or coveragesprovided by the respective wireless communication devices are comparedusing information of one or more wireless communication devices acquiredin the communication control request (S110), positional relationshipamong the wireless communication devices is determined, and therecommended operation parameters are selected.

In the communication control response (S130), one or more pieces ofinformation of recommended radio access technology information,information relating to a recommended frequency band, informationrelating to a recommended duplex mode or information relating to arecommended transmission time interval can be included.

The procedure illustrated in FIG. 11 is procedure in which the wirelesscommunication device 30 makes a request for communication control to thecommunication control device 10 via the network management controldevice 20. Communication control request (S110), cumulativecommunication control request (Sill), communication control judgment(S120), cumulative communication control response (S131) andcommunication control response (S130) are performed.

The communication control request (S110) includes at least informationindicating a network to which the wireless communication device belongs,radio access technology information which is being operated, informationrelating to an operable frequency band, information relating to a duplexmode, and information relating to a transmission time interval. Further,in the case where location information is not managed by the NRA orentrusted institution thereof, and it is necessary to acquire thelocation information using a positioning function provided at thewireless communication device 30 and notify the communication controldevice 10 of the location information, the message includes the locationinformation.

The cumulative communication control request (S111) includescommunication control requests from one or more wireless communicationdevices.

In the communication control judgment (S120), service areas or coveragesprovided by the respective wireless communication devices are comparedusing the information of one or more wireless communication devicesacquired in the communication control request (S110), positionalrelationship among the wireless communication devices is determined, andthe recommended operation parameters are selected.

The cumulative communication control response (S110) includescommunication control responses regarding one or more wirelesscommunication devices. Each communication control response can includeone or more pieces of information among recommended radio accesstechnology information, information relating to a recommended frequencyband, information relating to a recommended duplex mode or informationrelating to a recommended transmission time interval.

The communication control response (S110) includes communication controlresponses to the respective wireless communication devices separatedfrom the cumulative communication control response.

3. Second Embodiment

An architecture according to the second embodiment will be describedwith reference to FIG. 12. Note that because a configuration similar tothat in the first embodiment can be utilized as a configuration undereach of the communication control devices, in description of the secondembodiment, only description relating to communication among a pluralityof communication control devices will be described.

In the second embodiment, there are a plurality of communication controldevices 10A and 10B, and these communication control devices performcommunication control judgement relating to coexistence while exchanginginformation relating to subordinate wireless communication devices.

<3.1. Configuration Example of Communication Control Device>

In a similar manner to the first embodiment, the block diagramillustrated in FIG. 3 illustrates an example of a configuration of thecommunication control device 10 according to the present embodiment. Asillustrated in FIG. 3, the communication control device 10 includes thefirst communication unit 110, the second communication unit 120 and theprocessing unit 130. Further, the processing unit 130 includes theinformation acquisition unit 131, the determination unit 132 and thenotification unit 133.

The second communication unit 120 is a communication interface whichmediates communication with other communication control devices. Thesecond communication unit 120 supports arbitrary wireless communicationprotocol or wired communication protocol and establishes communicationconnection with one or more communication control devices.

The processing unit 130 provides various functions of the communicationcontrol device 10. The processing unit 130 includes the informationacquisition unit 131, the determination unit 132 and the notificationunit 133. Note that the processing unit 130 can further includestructural elements other than these structural elements. That is, theprocessing unit 130 can perform operation other than operation of thesestructural elements. Functions of the processing unit 130 will bedescribed in detail later.

<3.2. Technical Features of Communication Control Device> (1)Information Acquisition Function

In a similar manner to the first embodiment, the information acquisitionunit 131 acquires information necessary for judgment of coexistencecontrol among one or more wireless communication devices 30. In thesecond embodiment, the information acquisition unit 131 further acquiresinformation relating to wireless communication devices under othercommunication control devices. The information acquisition unit 131acquires at least information indicating a network to which the wirelesscommunication device belongs, radio access technology information,information relating to an operable frequency band, information relatingto a location, information relating to a duplex mode or informationrelating to transmission time.

(2) Determination Function

The determination unit 132 typically has a function of performingjudgment relating to coexistence control in a similar manner to thefirst embodiment. Specifically, the determination unit 132 comparesservice areas or coverages provided by the respective wirelesscommunication devices using information of one or more wirelesscommunication devices acquired at the information acquisition unit anddetermines positional relationship among the wireless communicationdevices.

Further, the determination unit 132 performs determination processingsuch as extraction and selection of information of the correspondingwireless communication devices on the basis of information acquisitionrequests from other communication control devices.

(3) Notification Function

The notification unit 133 typically has a function of generating amessage based on the determination result of the determination unit andtransmitting the message to the communication unit in a similar mannerto the first embodiment. In the second embodiment, specifically, thenotification unit 133 transmits the generated message to the secondcommunication unit 120.

<3.3. Procedure>

An example of procedure performed between the communication controldevice 10A and the communication control device 10B will be describedbelow with reference to FIG. 13 and FIG. 14.

The procedure illustrated in FIG. 13 is procedure for making a requestfor acquiring information relating to communication control. Informationacquisition request (S141), determination processing relating toinformation acquisition (S151) and response (S161) are performed.

The information acquisition request (S141) can include, for example,information relating to a geographical location and/or region. Forexample, the information acquisition request can include coordinateinformation made up of latitude, longitude and altitude. Further, forexample, as the information indicating the geographical region,information such as census tract, area name, prefecture name, statename, town name, block number, and address can be included asinformation which is administratively defined. Alternatively, forexample, the geographical region may be expressed with combination ofthree or more pieces of coordinate information. Alternatively, forexample, the geographical region may be expressed with combination ofcoordinate information and radius information.

The information acquisition request (S141) can further includeinformation relating to a frequency band as search conditions. Forexample, a beginning frequency band and an end frequency band areprovided. Alternatively, for example, the number of a band specified inthe 3rd generation partnership project (3GPP) may be provided.Alternatively, for example, in the case where a channel number isallocated as in a TV frequency band, the channel number may be provided.Alternatively, for example, the frequency band may be designated usingcombination of a center frequency and a bandwidth. Whichever informationis provided, in the case where it is desired to acquire information ofwireless communication devices regarding a plurality of frequency bands,a plurality of pieces of information relating to the frequency bands maybe provided.

The information acquisition request (S141) can further includeinformation relating to a duplex mode as search conditions. Theinformation can include an identifier indicating frequency divisionduplex (FDD), time division duplex (TDD), supplemental downlink (SDL),full duplex, or the like.

In the determination processing relating to information acquisition(S151), the corresponding wireless communication device is extractedusing the information acquired in the information acquisition request(S141) as the search conditions.

The response (S161) includes information of the wireless communicationdevice extracted in the determination processing relating to informationacquisition (S151). At least information indicating a network to whichthe wireless communication device belongs, radio access technologyinformation, information relating to an operating frequency band,information relating to a location, information relating to a duplexmode or information relating to transmission time are acquired.

Note that, in the case where part or all of the information is managedat an information management device belonging to an external network oran intra-network, the part or all of the information may be acquiredfrom the information management device after the response (S161).

The procedure illustrated in FIG. 14 is procedure for making a requestfor communication control to other communication control devices.Communication control request (S142), communication controldetermination processing (S152) and communication control response(S162) are performed.

In the communication control request (S142), for example, a command tochange wireless parameters is transmitted. In this case, thecommunication control request includes at least an identifier which canspecify the wireless communication device, and, further, can includecombination of one or more pieces of radio access technologyinformation, information relating to an operating frequency, informationrelating to a duplex mode or information relating to transmission time.

In the communication control determination processing (S152), a targetwireless communication device is extracted, and processing ofdetermining whether or not parameters included in the information can bechanged is performed on the basis of the information acquired in thecommunication control request (S142).

In the extraction of the wireless communication device, a targetwireless communication device is searched from a list, or the like, ofthe wireless communication devices managed by the communication controldevice using the information acquired in the communication controlrequest (S142) as the search conditions.

In the processing of determining whether or not the parameters includedin the information can be changed, for example, in the case wherechanged parameters are specifically designated in the communicationcontrol request (S142), it is determined whether or not the extractedwireless communication device can change the parameters to the changedparameters, and the parameters are changed. Alternatively, for example,in the case where changed parameters are not specifically designated inthe communication control request (S142), processing of selectingparameters to which the parameters are to be changed by the extractedwireless communication device and processing of calculating parametervalues to which the parameter values are to be changed, are performed.

In the communication control response (S162), a response message isgenerated on the basis of the result of the communication controldetermination processing (S152), and the message is transmitted to thecommunication control device which is a request source. Typically, theresponse message includes at least a processing status code, and, in thecase where the processing status code indicates one other than SUCCESS,the response message can include an error message.

4. Conclusion

An embodiment of the present disclosure has been described in detailabove with reference to FIG. 1 to FIG. 14. As described above, thecommunication control device according to the present embodiment canacquire information indicating a network to which the wirelesscommunication device managed by the communication control devicebelongs, radio access technology information, information relating to anoperable frequency band, location information, information relating to aduplex mode or information relating to a transmission time interval. Bythis means, by determining positional relationship among coverages ofthe wireless communication devices, and selecting operation parametersrecommended for the wireless communication device in accordance with thedetermined positional relationship, it becomes possible to realizecoexistence control among the wireless communication devices. Further,the first communication control device according to the presentembodiment can acquire radio access technology information, informationrelating to an operable frequency band, location information,information relating to a duplex mode or information relating to atransmission time interval regarding the wireless communication devicemanaged by the second communication control device. By this means,information necessary for coexistence is shared among the communicationcontrol devices. In this manner, it is possible to smoothly performinformation exchange among a plurality of communication control devicesand coexistence control in which wireless communication devices underdifferent communication control devices is taken into account.

The preferred embodiment of the present disclosure has been describedabove with reference to the accompanying drawings, whilst the presentdisclosure is not limited to the above examples. A person skilled in theart may find various alterations and modifications within the scope ofthe appended claims, and it should be understood that they willnaturally come under the technical scope of the present disclosure.

Further, it is also possible to create a computer program for causing aprocessor (such as, for example, a CPU and a DSP) provided at the devicein the present specification (for example, a base station, a basestation device or a module for the base station device, a terminaldevice or a module for the terminal device) to function as structuralelements (such as, for example, the processing unit 130) of theabove-described device (in other words, a computer program for causingthe above-described processor to execute operation of structuralelements of the above-described device). Further, it is also possible toprovide a recording medium in which the computer program is recorded.Further, it is also possible to provide a device including a memory inwhich the above-described computer program is stored and one or moreprocessors which can execute the above-described computer program (forexample, a base station, a base station device or a module for the basestation device, a terminal device or a module for the terminal device).Further, a method including operation of the structural elements (suchas, for example, the processing unit 130) of the above-described deviceis included in the technology according to the present disclosure.

For example, the processing described herein with reference to theflowcharts and the sequence diagrams does not necessarily have to beexecuted in the illustrated order. Some processing steps may be executedin parallel. In addition, additional processing steps may also beadopted, while some of the processing steps may be omitted.

Further, the effects described in this specification are merelyillustrative or exemplified effects, and are not limitative. That is,with or in the place of the above effects, the technology according tothe present disclosure may achieve other effects that are clear to thoseskilled in the art from the description of this specification.

Additionally, the present technology may also be configured as below.

(1)

A communication control device including:

an information acquisition unit configured to acquire informationindicating a network to which one or more wireless communication devicesbelong, radio access technology information, information relating to anoperable frequency band, information relating to a geographical locationand/or region, information relating to a duplex mode, or informationrelating to a transmission time interval;

a determination unit configured to determine positional relationshipamong coverages of the wireless communication devices by using theinformation, and select an operation parameter recommended for each ofthe wireless communication devices in accordance with the determinedpositional relationship; and

a notification unit configured to notify the wireless communicationdevices of the selected operation parameters.

(2)

The communication control device according to (1),

in which the information acquisition unit acquires at least theinformation relating to the geographical location and/or region and theinformation relating to the duplex mode,

the determination unit determines positional relationship amongcoverages of a plurality of wireless communication devices operating inTDD and select a TDD frame configuration recommended for each of thewireless communication devices, and

the notification unit notifies each of the wireless communicationdevices of the recommended TDD frame configuration selected by thedetermination unit.

(3)

The communication control device according to (1) or (2),

in which the information acquisition unit acquires information from thewireless communication devices.

(4)

A communication control device including:

an information acquisition unit configured to acquire informationindicating a network to which one or more wireless communication devicesbelong, radio access technology information, information relating to anoperable frequency band, information relating to a geographical locationand/or region, information relating to a duplex mode, or informationrelating to a transmission time interval;

a determination unit configured to extract a wireless communicationdevice corresponding to the information; and

a notification unit configured to make a notification of the informationrelating to the wireless communication device extracted by thedetermination unit.

(5)

The communication control device according to (1), (2), or (4),

in which the information acquisition unit acquires information fromanother communication control device.

(6)

A wireless communication device including:

a communication unit configured to notify a communication control deviceof information indicating a belonging network, radio access technologyinformation which is being operated, information relating to an operablefrequency band, information relating to a duplex mode, and informationrelating to a transmission time interval, and acquire a recommendedoperation parameter selected by the communication control device on thebasis of the information; and

a control unit configured to set an operation parameter on the basis ofthe recommended operation parameter acquired by the communication unit.

(7)

The wireless communication device according to (6),

in which the communication unit at least makes a notification ofinformation relating to a duplex mode and acquires information relatingto a recommended TDD frame configuration selected by the communicationcontrol device, and

the control unit changes an operation parameter of TDD on the basis ofthe information relating to the recommended TDD frame configurationacquired by the communication unit.

(8)

A method including:

acquiring information indicating a network to which one or more wirelesscommunication devices belong, radio access technology information,information relating to an operable frequency band, information relatingto a geographical location and/or region, information relating to aduplex mode, or information relating to a transmission time interval;

determining positional relationship among coverages of the wirelesscommunication devices by using the information, and selecting anoperation parameter recommended for each of the wireless communicationdevices in accordance with the determined positional relationship; and

notifying the wireless communication devices of the selected operationparameters.

(9)

A method including:

acquiring information indicating a network to which one or more wirelesscommunication devices belong, radio access technology information,information relating to an operable frequency band, information relatingto a geographical location and/or region, information relating to aduplex mode, or information relating to a transmission time interval;

extracting a wireless communication device corresponding to theinformation; and

making a notification of the information relating to the extractedwireless communication device.

(10)

A method including:

notifying a communication control device of information indicating abelonging network, radio access technology information which is beingoperated, information relating to an operable frequency band,information relating to a duplex mode, and information relating to atransmission time interval and acquiring a recommended operationparameter selected by the communication control device on the basis ofthe information; and

setting an operation parameter on the basis of the recommended operationparameter.

(11)

A program for implementing:

an information acquisition unit configured to acquire informationindicating a network to which one or more wireless communication devicesbelong, radio access technology information, information relating to anoperable frequency band, information relating to a geographical locationand/or region, information relating to a duplex mode, or informationrelating to a transmission time interval;

a determination unit configured to determine positional relationshipamong coverages of the wireless communication devices by using theinformation and select an operation parameter recommended for each ofthe wireless communication devices in accordance with the determinedpositional relationship; and

a notification unit configured to notify the wireless communicationdevices of the selected operation parameters.

(12)

A program for implementing:

an information acquisition unit configured to acquire informationindicating a network to which one or more wireless communication devicesbelong, radio access technology information, information relating to anoperable frequency band, information relating to a geographical locationand/or region, information relating to a duplex mode, or informationrelating to a transmission time interval;

a determination unit configured to extract a wireless communicationdevice corresponding to the information; and

a notification unit configured to make a notification of the informationrelating to the wireless communication device extracted by thedetermination unit.

(13)

A program for implementing:

a communication unit configured to notify a communication control deviceof information indicating a belonging network, radio access technologyinformation which is being operated, information relating to an operablefrequency band, information relating to a duplex mode, and informationrelating to a transmission time interval, and acquiring a recommendedoperation parameter selected by the communication control device on thebasis of the information; and

a control unit configured to set an operation parameter on the basis ofthe recommended operation parameter acquired by the communication unit.

REFERENCE SIGNS LIST

-   10 communication control device-   110 first communication unit-   120 second communication unit-   130 processing unit-   131 information acquisition unit-   132 determination unit-   133 notification unit-   20 network management control device-   30 wireless communication device-   310 communication unit-   320 control unit

1. A communication control device comprising: information acquisitioncircuitry configured to acquire information indicating a network towhich one or more wireless communication devices belong, radio accesstechnology information, information relating to an operable frequencyband, information relating to a geographical location and/or region,information relating to a duplex mode, or information relating to atransmission time interval; determination circuitry configured todetermine positional relationship among coverages of the wirelesscommunication devices by using the information, and select an operationparameter recommended for each of the wireless communication devices inaccordance with the determined positional relationship; and anotification circuitry configured to notify the wireless communicationdevices of the selected operation parameters.
 2. The communicationcontrol device according to claim 1, wherein the information acquisitioncircuitry acquires at least the information relating to the geographicallocation and/or region and the information relating to the duplex mode,the determination circuitry determines positional relationship amongcoverages of a plurality of wireless communication devices operating inTDD and select a TDD frame configuration recommended for each of thewireless communication devices, and the notification circuitry notifieseach of the wireless communication devices of the recommended TDD frameconfiguration selected by the determination circuitry.
 3. Thecommunication control device according to claim 1, wherein theinformation acquisition circuitry acquires information from the wirelesscommunication devices.
 4. A communication control device comprising:information acquisition circuitry configured to acquire informationindicating a network to which one or more wireless communication devicesbelong, radio access technology information, information relating to anoperable frequency band, information relating to a geographical locationand/or region, information relating to a duplex mode, or informationrelating to a transmission time interval; determination circuitryconfigured to extract a wireless communication device corresponding tothe information; and notification circuitry configured to make anotification of the information relating to the wireless communicationdevice extracted by the determination circuitry.
 5. The communicationcontrol device according to claim 1, wherein the information acquisitioncircuitry acquires information from another communication controldevice.
 6. A wireless communication device comprising: communicationcircuitry configured to notify a communication control device ofinformation indicating a belonging network, radio access technologyinformation which is being operated, information relating to an operablefrequency band, information relating to a duplex mode, and informationrelating to a transmission time interval, and acquire a recommendedoperation parameter selected by the communication control device on abasis of the information; and control circuitry configured to set anoperation parameter on a basis of the recommended operation parameteracquired by the communication circuitry.
 7. The wireless communicationdevice according to claim 6, wherein the communication circuitry atleast makes a notification of information relating to a duplex mode andacquires information relating to a recommended TDD frame configurationselected by the communication control device, and the control circuitrychanges an operation parameter of TDD on a basis of the informationrelating to the recommended TDD frame configuration acquired by thecommunication circuitry.
 8. A method comprising: acquiring informationindicating a network to which one or more wireless communication devicesbelong, radio access technology information, information relating to anoperable frequency band, information relating to a geographical locationand/or region, information relating to a duplex mode, or informationrelating to a transmission time interval; determining positionalrelationship among coverages of the wireless communication devices byusing the information, and selecting an operation parameter recommendedfor each of the wireless communication devices in accordance with thedetermined positional relationship; and notifying the wirelesscommunication devices of the selected operation parameters.
 9. A methodcomprising: acquiring information indicating a network to which one ormore wireless communication devices belong, radio access technologyinformation, information relating to an operable frequency band,information relating to a geographical location and/or region,information relating to a duplex mode, or information relating to atransmission time interval; extracting a wireless communication devicecorresponding to the information; and making a notification of theinformation relating to the extracted wireless communication device. 10.A method comprising: notifying a communication control device ofinformation indicating a belonging network, radio access technologyinformation which is being operated, information relating to an operablefrequency band, information relating to a duplex mode, and informationrelating to a transmission time interval and acquiring a recommendedoperation parameter selected by the communication control device on abasis of the information; and setting an operation parameter on a basisof the recommended operation parameter.
 11. A non-transitory computerreadable medium including a program which causes a device to execute:acquiring information indicating a network to which one or more wirelesscommunication devices belong, radio access technology information,information relating to an operable frequency band, information relatingto a geographical location and/or region, information relating to aduplex mode, or information relating to a transmission time interval;determining positional relationship among coverages of the wirelesscommunication devices by using the information and select an operationparameter recommended for each of the wireless communication devices inaccordance with the determined positional relationship; and notifyingthe wireless communication devices of the selected operation parameters.12. A non-transitory computer readable medium including a program whichcauses a device to execute: acquiring information indicating a networkto which one or more wireless communication devices belong, radio accesstechnology information, information relating to an operable frequencyband, information relating to a geographical location and/or region,information relating to a duplex mode, or information relating to atransmission time interval; extracting a wireless communication devicecorresponding to the information; and notifying of the informationrelating to the wireless communication device extracted by theextracting.
 13. A non-transitory computer readable medium including aprogram which causes a device to execute: notifying a communicationcontrol device of information indicating a belonging network, radioaccess technology information which is being operated, informationrelating to an operable frequency band, information relating to a duplexmode, and information relating to a transmission time interval, andacquiring a recommended operation parameter selected by thecommunication control device on a basis of the information; and settingan operation parameter on a basis of the recommended operation parameteracquired by the notifying.